Still impressive on how far it would go before it gave up the ghost. Would a modern day bike be able to do the same?

Well older engines are lower stress, lower compression, lower rpm etc. so the engine parts can be further out of spec and still perform. That piston certainly gave every thing it had for the cause though. I'd have it on the shelf of honor in my garage.

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A genius is the one most like himself. - T. Monk via S. Lacy